CN107749505B - A kind of cooling system for power battery - Google Patents
A kind of cooling system for power battery Download PDFInfo
- Publication number
- CN107749505B CN107749505B CN201710912155.6A CN201710912155A CN107749505B CN 107749505 B CN107749505 B CN 107749505B CN 201710912155 A CN201710912155 A CN 201710912155A CN 107749505 B CN107749505 B CN 107749505B
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- Prior art keywords
- channel
- port valve
- cooling system
- heat exchange
- entrance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Fuel Cell (AREA)
Abstract
The present invention provides a kind of cooling systems for power battery, belong to vehicular field.The cooling system includes internal coolant channels, is set to the inside of the power battery, has entrance and exit, for the coolant liquid that circulates；With external cooling unit, it is set to the outside of the power battery, including external cooling passage, is connected with the entrance of the internal coolant channels and the outlet；And reversing unit, for the flow direction of the coolant liquid to be periodically changed, so that the coolant liquid of the external cooling passage can be flowed into from the entrance, it is flowed out through the internal coolant channels from the outlet, or flowed into from the outlet, it is flowed out through the internal coolant channels from the entrance.The temperature of each battery in the cooling system energy efficient balance power battery, so as to improve power battery efficiency for charge-discharge and prolong its service life.
Description
Technical field
The present invention relates to vehicular fields, more particularly to a kind of cooling system for power battery.
Background technique
Power battery is the power source of electric car, and temperature has the efficiency for charge-discharge and service life of power battery
It significantly affects.In order to guarantee the steady operation of power battery, need to design a kind of effective cooling system to the power battery
It is cooled down.
Cooling system in the prior art usually arranges cooling duct in power battery interior, in the cooling duct
Circulate coolant liquid, i.e., flows into from one end of the cooling duct, and the coolant liquid of other end outflow, outflow is cooling through heat exchange unit
Flow into the cooling duct of the power battery interior again afterwards, so circulation achievees the purpose that cooling power battery.
But the cooling system of this one-way flow makes the temperature at coolant inlet be lower than the temperature in exit, exists
The larger temperature difference causes the voltage of each battery of power battery difference occur, to influence the efficiency for charge-discharge of power battery and make
Use the service life.
Summary of the invention
It is an object of the present invention to provide a kind of cooling system for power battery, which can effectively change
The efficiency for charge-discharge of kind power battery simultaneously prolongs its service life.
Particularly, the present invention provides a kind of cooling systems for power battery, comprising:
Internal coolant channels are set to the inside of the power battery, have entrance and exit, for cooling of circulating
Liquid；With
External cooling unit is set to the outside of the power battery, comprising:
External cooling passage is connected with the entrance of the internal coolant channels and the outlet；And
Reversing unit, for changing the flow direction of the coolant liquid, so that the external cooling passage is described cold
But liquid can be flowed into from the entrance, be flowed out through the internal coolant channels from the outlet, or be flowed into from the outlet, through institute
Internal coolant channels are stated to flow out from the entrance.
Further, the external cooling unit further include:
Heat exchange unit is series at the external cooling passage, for cooling down the coolant liquid；With
Pump is series at the external cooling passage, for providing power for the flowing of the coolant liquid.
Further, the external cooling passage includes:
First passage, second channel and the third channel being connected to respectively with the heat exchange unit, respectively with the entrance
With the fourth lane and Five-channel of the outlet,
The second channel forms first far from the bifurcated at one end of the heat exchange unit and shunts end and the second shunting end,
In,
One end far from the heat exchange unit of the first passage, described first shunt end and the fourth lane is separate
One end of the entrance is connected to joint A,
One end far from the heat exchange unit of the third channel, described second shunt end and the Five-channel is separate
One end of the outlet is connected to joint C.
Further, the series connection of pumps is in the second channel close to one end of the heat exchange unit.
Further, the reversing unit includes:
First two-port valve is set to the first passage and the fourth lane intersection, logical for controlling described first
The opening and closing in road and the four-way；
Second two-port valve, be set to the second channel described first shunt end and the fourth lane intersection, use
In the opening and closing for controlling the second channel and the fourth lane；
Triple valve is set at the bifurcation B of the second channel, shunts end or described second for controlling described first
Shunt the opening and closing at end；
Third two-port valve is set to described second and shunts end and Five-channel intersection, for controlling described second
The opening and closing in channel and the Five-channel；With
4th two-port valve is set to the third channel and Five-channel intersection, logical for controlling the third
The opening and closing in road and the Five-channel.
Further, first two-port valve, second two-port valve, the third two-port valve and the 4th two-port valve
It is electromagnetism two-port valve, the triple valve is three-way solenoid valve.
Further, the external cooling unit further includes control unit, for controlling first two-port valve, described the
The opening and closing of two two-port valves, the third two-port valve, the 4th two-port valve and the triple valve, so that the cooling system shape
At forward flow operating condition and reverse flow operating condition.
Further, when the cooling system is in the forward flow operating condition, first two-port valve and described is controlled
Third two-port valve is closed, and second two-port valve and the 4th two-port valve are opened, and the triple valve opens the second channel
It is described first shunt end, and close the second channel it is described second shunt end,
At this point, the coolant liquid flows into the second channel by the heat exchange unit under the action of pump, through institute
The first shunting end, the joint A inflow fourth lane are stated, and then flows into the entrance, is passed through described internal cooling
Liquid channel is simultaneously flowed out in the exit, and the coolant liquid flowed out from the exit flows into the Five-channel, through described
Joint C successively flows into the third channel and the heat exchange unit.
Further, when the cooling system is in the reverse flow operating condition, first two-port valve and described is controlled
Third two-port valve is opened, and second two-port valve and the 4th two-port valve are closed, and the triple valve opens the second channel
It is described second shunt end, and close the second channel it is described first shunt end,
At this point, the coolant liquid flows into the second channel by the heat exchange unit under the action of pump, through institute
The second shunting end, the joint C inflow Five-channel are stated, and then flows into the outlet, is passed through described internal cooling
Liquid channel is simultaneously flowed out in the inlet, and the coolant liquid flowed out from the inlet flows into the fourth lane, through described
Joint A successively flows into the first passage and the heat exchange unit.
Cooling system of the invention is cut due to being provided with reversing unit in external cooling unit by the reversing unit
The direction that the coolant liquid flows into the internal cooling channel is changed, the Temperature Distribution in energy efficient balance power battery reduces dynamic
Voltage differences in power battery between each battery to improve the efficiency for charge-discharge of power battery, and extend the power electric
The service life in pond.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the structural schematic diagram of cooling system according to an embodiment of the invention；
Fig. 2 is the schematic diagram of the forward flow operating condition of cooling system according to an embodiment of the invention；
Fig. 3 is the schematic diagram of the reverse flow operating condition of cooling system according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the structural schematic diagram of cooling system according to an embodiment of the invention.As shown in Figure 1, the cooling system
System generally may include internal coolant channels (not shown) and external cooling unit 20.The internal coolant channels
It is set to the inside of the power battery 10, there is entrance 101 and outlet 102, it is described internal cooling logical for the coolant liquid that circulates
Arrangement form of the road inside the power battery 10 can be any one form in the prior art.It is described external cooling single
Member 20 is set to the outside of the power battery 10, including external cooling passage and reversing unit.The external coolant liquid is logical
Road is connected with the entrance 101 of the internal coolant channels and the outlet 102.The reversing unit is for changing institute
The flow direction of coolant liquid is stated, so that the coolant liquid of the external cooling passage can be flowed into from the entrance 101, through institute
State internal coolant channels from it is described outlet 102 outflow, or from it is described outlet 102 flow into, through the internal coolant channels from
The entrance 101 flows out.
Cooling system of the invention passes through the reversing unit due to being provided with reversing unit in external cooling unit 20
Switch the direction that the coolant liquid flows into the internal cooling channel, it can from the entrance of the internal cooling channel
101 flow into, 102 outflow of outlet；It can also be flowed into from the outlet 102, the entrance 101 flows out.When coolant liquid is unidirectional
When flowing, temperature distribution is non-uniform along the coolant flow direction for the power battery 10, and the difference of temperature will lead to respectively
Voltage differences between battery, so that certain batteries are compared with being prematurely down to blanking voltage for other batteries, to influence to fill
Discharging efficiency simultaneously has detrimental effect to service life.And cooling system of the invention can switch the flowing side of the coolant liquid
To, can Temperature Distribution in power battery 10 described in efficient balance, to improve the efficiency for charge-discharge of the power battery 10, and
Extend the service life of the power battery 10.
As shown in Figure 1, in another embodiment of the present invention, the external cooling unit 20 further includes heat exchange unit
30 and pump 40.The heat exchange unit 30 is series at the external cooling passage, for cooling down the coolant liquid.The pump 40
It is series at the external cooling passage, for providing power for the flowing of the coolant liquid.
In one embodiment, as shown in Figure 1, the external cooling passage further include respectively with the heat exchange unit
First passage 211, second channel 212 and the third channel 213 of 30 connections connect with the entrance 101 and the outlet 102 respectively
Logical fourth lane 214 and Five-channel 215.The second channel 212 is formed far from the bifurcated at one end of the heat exchange unit
First, which shunts end 201 and second, shunts end 202, wherein one end far from the heat exchange unit 30 of the first passage 211,
Described first, which shunts end 201 and the fourth lane 214, is connected to joint A far from one end of the entrance, and the third is logical
One end, the second shunting end 202 and the Five-channel 215 of the road 213 far from the heat exchange unit 30 go out far from described in
One end of mouth 102 is connected to joint C.The pump 40 is series at the second channel 212 close to the heat exchange unit 30
One end.
As shown in Figure 1, the reversing unit include the first two-port valve 221, the second two-port valve 222, third two-port valve 223,
4th two-port valve 224 and triple valve 225.First two-port valve 221 is set to the first passage 211 and the fourth lane
214 intersections, for controlling the opening and closing of the first passage 211 and the fourth lane 214.Second two-port valve 222 is set
Be placed in the second channel 212 described first shunts end 201 and 214 intersection of fourth lane, for controlling described the
The opening and closing in two channels 212 and the fourth lane 214.The triple valve 225 is set to the bifurcation B of the second channel 212
Place, for controlling the described first opening and closing for shunting end or second shunting end.The third two-port valve 223 is set to described
Two shunt end 202 and 215 intersection of Five-channel, for controlling the opening and closing of second channel and Five-channel.Described 4th
Two-port valve 224 is set to the third channel 213 and 215 intersection of Five-channel, for controlling the third channel 213
With the opening and closing of the Five-channel 215.
Preferably, first two-port valve 221, second two-port valve 222, the third two-port valve 223 and described
Four two-port valves 224 are electromagnetism two-port valve, and the triple valve 225 is three-way solenoid valve.Cooling unit 20 further includes outside described
Control unit (not shown), for controlling first two-port valve 221, second two-port valve 222, the third two-way
The opening and closing of valve 223, the 4th two-port valve 224 and the triple valve 225 is started building so that the cooling system forms forward stream
Condition and reverse flow operating condition.
Fig. 2 is the schematic diagram of the forward flow operating condition of cooling system according to an embodiment of the invention.As shown in Fig. 2,
When the cooling system is in the forward flow operating condition, controls first two-port valve 221 and the third two-port valve 223 closes
It closes, second two-port valve 222 and the 4th two-port valve 224 are opened, and the triple valve 225 is connected to the second channel 212
It is described first shunting end 201 and close the second channel 212 it is described second shunt end 202.
At this point, the arrow in referring to fig. 2 is directed toward, the coolant liquid is under the action of the pump 40 by the heat exchange unit
30 flow into the second channel 212, shunt end 201, the joint A inflow fourth lane 214 through described first, in turn
The entrance 101 is flowed into, the internal coolant channels are passed through and is flowed out at the outlet 102, from the outlet 102
The coolant liquid of outflow flows into the Five-channel 215, successively flows into the third channel 213 and institute through the joint C
State heat exchange unit 30.
Fig. 3 is the schematic diagram of the reverse flow operating condition of cooling system according to an embodiment of the invention.As shown in figure 3,
When the cooling system is in the reverse flow operating condition, controls first two-port valve 221 and the third two-port valve 223 is opened
It opens, second two-port valve 222 and the 4th two-port valve 224 are closed, and the triple valve 225 opens the second channel 212
It is described second shunting end 202 and close the second channel 212 it is described first shunt end 201.
At this point, being directed toward referring to the arrow in Fig. 3, the coolant liquid is under the action of the pump 40 by the heat exchange unit
30 flow into the second channel 212, shunt end 202, the joint C inflow Five-channel 215 through described second, in turn
The outlet 102 is flowed into, the internal coolant channels are passed through and is flowed out at the entrance 101, from the entrance 101
The coolant liquid of outflow flows into the fourth lane 214, successively flows into the first passage 211 and institute through the joint A
State heat exchange unit 30.
The opening and closing of electromagnetism two-port valve and the commutation of three-way solenoid valve can be periodically changed in described control unit, thus
Periodically switch the flow direction of the coolant liquid, for example, a forward flow, a reverse flow, cyclic switching, so that dynamic
Coolant temperature homogenization inside power battery 10, rather than when one-way flow, always the temperature at entrance 101 is lower than outlet
Temperature at 102.The structure of this cooling system is simple, using existing 10 internal coolant channels of power battery, passes through
The solution of the present invention can be realized in the form that its external cooling passage is transformed, it is easy to accomplish.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (7)
1. a kind of cooling system for power battery, comprising:
Internal coolant channels are set to the inside of the power battery, have entrance and exit, for the coolant liquid that circulates；With
External cooling unit is set to the outside of the power battery, comprising:
External cooling passage is connected with the entrance of the internal coolant channels and the outlet；And
Reversing unit, for changing the flow direction of the coolant liquid, so that the coolant liquid of the external cooling passage
It can flow into from the entrance, be flowed out through the internal coolant channels from the outlet, or be flowed into from the outlet, through described interior
Portion's cooling passage is flowed out from the entrance；
The external cooling unit further include:
Heat exchange unit is series at the external cooling passage, for cooling down the coolant liquid；With
Pump is series at the external cooling passage, for providing power for the flowing of the coolant liquid；
Cooling passage includes: outside described
First passage, second channel and the third channel being connected to respectively with the heat exchange unit, respectively with the entrance and institute
The fourth lane and Five-channel of outlet are stated,
The second channel forms first far from the bifurcated at one end of the heat exchange unit and shunts end and the second shunting end, wherein
One end, the first shunting end and the fourth lane of the first passage far from the heat exchange unit are far from described
One end of entrance is connected to joint A,
One end, the second shunting end and the Five-channel of the third channel far from the heat exchange unit are far from described
One end of outlet is connected to joint C.
2. cooling system according to claim 1, which is characterized in that the series connection of pumps is in the second channel close to described
One end of heat exchange unit.
3. cooling system according to claim 2, which is characterized in that the reversing unit includes:
First two-port valve is set to the first passage and the fourth lane intersection, for control the first passage with
The opening and closing of the four-way；
Second two-port valve, be set to the second channel described first shunts end and the fourth lane intersection, for controlling
Make the opening and closing of the second channel Yu the fourth lane；
Triple valve is set at the bifurcation B of the second channel, shunts end or second shunting for controlling described first
The opening and closing at end；
Third two-port valve is set to described second and shunts end and Five-channel intersection, for controlling the second channel
With the opening and closing of the Five-channel；With
4th two-port valve is set to the third channel and Five-channel intersection, for control the third channel with
The opening and closing of the Five-channel.
4. cooling system according to claim 3, which is characterized in that first two-port valve, second two-port valve, institute
Stating third two-port valve and the 4th two-port valve is electromagnetism two-port valve, and the triple valve is three-way solenoid valve.
5. cooling system according to claim 4, which is characterized in that the external cooling unit further includes control unit,
For controlling first two-port valve, second two-port valve, the third two-port valve, the 4th two-port valve and the threeway
The opening and closing of valve, so that the cooling system forms forward flow operating condition and reverse flow operating condition.
6. cooling system according to claim 5, which is characterized in that the cooling system is in the forward flow operating condition
When, it controlling first two-port valve and the third two-port valve is closed, second two-port valve and the 4th two-port valve are opened,
The triple valve opens first shunting end of the second channel, and closes described the second of the second channel and shunt
End,
At this point, the coolant liquid flows into the second channel by the heat exchange unit under the action of pump, through described the
One shunts end, the joint A flows into the fourth lane, and then flows into the entrance, and it is logical to pass through the internal coolant
Road simultaneously flows out in the exit, and the coolant liquid flowed out from the exit flows into the Five-channel, crosses through described
Point C successively flows into the third channel and the heat exchange unit.
7. cooling system according to claim 5, which is characterized in that the cooling system is in the reverse flow operating condition
When, it controlling first two-port valve and the third two-port valve is opened, second two-port valve and the 4th two-port valve are closed,
The triple valve opens second shunting end of the second channel, and closes described the first of the second channel and shunt
End,
At this point, the coolant liquid flows into the second channel by the heat exchange unit under the action of pump, through described the
Two shunt end, the joint C flows into the Five-channel, and then flow into the outlet, and it is logical to pass through the internal coolant
Road is simultaneously flowed out in the inlet, and the coolant liquid flowed out from the inlet flows into the fourth lane, crosses through described
Point A successively flows into the first passage and the heat exchange unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912155.6A CN107749505B (en) | 2017-09-29 | 2017-09-29 | A kind of cooling system for power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912155.6A CN107749505B (en) | 2017-09-29 | 2017-09-29 | A kind of cooling system for power battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107749505A CN107749505A (en) | 2018-03-02 |
| CN107749505B true CN107749505B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710912155.6A Active CN107749505B (en) | 2017-09-29 | 2017-09-29 | A kind of cooling system for power battery |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224418B (en) * | 2021-04-25 | 2022-11-22 | 长安大学 | Power battery reciprocating flow cooling system with rotary valve and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006185788A (en) * | 2004-12-28 | 2006-07-13 | Toyota Motor Corp | Battery cooling device |
| CN103053067A (en) * | 2010-08-09 | 2013-04-17 | 株式会社Lg化学 | Battery pack of novel structure |
| CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
-
2017
- 2017-09-29 CN CN201710912155.6A patent/CN107749505B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006185788A (en) * | 2004-12-28 | 2006-07-13 | Toyota Motor Corp | Battery cooling device |
| CN103053067A (en) * | 2010-08-09 | 2013-04-17 | 株式会社Lg化学 | Battery pack of novel structure |
| CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
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| Publication number | Publication date |
|---|---|
| CN107749505A (en) | 2018-03-02 |
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Address after: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee after: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLES Co.,Ltd. Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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Effective date of registration: 20211126 Address after: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee after: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee after: Zhejiang remote commercial vehicle R & D Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |